On Tue, 2019-03-19 at 14:01 -0700, Dan Williams wrote:
> On Mon, Mar 18, 2019 at 11:18 PM Dan Williams om> wrote:
> >
> > With v5.1-rc1 all the nvdimm sub-system regression tests started
> > failing because the libnvdimm module failed to load in the qemu-kvm
> > test environment. Critically
On Tue, 2019-03-19 at 18:55 -0700, Dan Williams wrote:
> On Mon, Mar 18, 2019 at 5:56 PM James Bottomley
> wrote:
> >
> > On Mon, 2019-03-18 at 17:30 -0700, Dan Williams wrote:
> > > On Mon, Mar 18, 2019 at 5:24 PM James Bottomley
> > > wrote:
> > >
On Mon, 2019-03-18 at 17:30 -0700, Dan Williams wrote:
> On Mon, Mar 18, 2019 at 5:24 PM James Bottomley
> wrote:
> >
> > On Mon, 2019-03-18 at 16:45 -0700, Dan Williams wrote:
> > > Rather than fail initialization of the trusted.ko module, arrange
> > &
On Mon, 2019-03-18 at 16:45 -0700, Dan Williams wrote:
> Rather than fail initialization of the trusted.ko module, arrange for
> the module to load, but rely on trusted_instantiate() to fail
> trusted-key operations.
What actual problem is this fixing? To me it would seem like an
enhancement to
On Sun, 2020-10-18 at 19:59 +0100, Matthew Wilcox wrote:
> On Sat, Oct 17, 2020 at 09:09:28AM -0700, t...@redhat.com wrote:
> > clang has a number of useful, new warnings see
> >
On Sun, 2020-10-18 at 20:16 +0100, Matthew Wilcox wrote:
> On Sun, Oct 18, 2020 at 12:13:35PM -0700, James Bottomley wrote:
> > On Sun, 2020-10-18 at 19:59 +0100, Matthew Wilcox wrote:
> > > On Sat, Oct 17, 2020 at 09:09:28AM -0700, t...@redhat.com wrote:
> > > > cla
On Fri, 2020-10-09 at 14:34 -0700, Eric Biggers wrote:
> On Fri, Oct 09, 2020 at 12:49:57PM -0700, ira.we...@intel.com wrote:
> > From: Ira Weiny
> >
> > The kmap() calls in this FS are localized to a single thread. To
> > avoid the over head of global PKRS updates use the new
> > kmap_thread()
On Tue, 2020-09-29 at 16:12 +0200, Peter Zijlstra wrote:
> On Tue, Sep 29, 2020 at 04:05:29PM +0300, Mike Rapoport wrote:
> > On Fri, Sep 25, 2020 at 09:41:25AM +0200, Peter Zijlstra wrote:
> > > On Thu, Sep 24, 2020 at 04:29:03PM +0300, Mike Rapoport wrote:
> > > > From: Mike Rapoport
> > > >
>
On Wed, 2020-09-30 at 16:45 +0200, David Hildenbrand wrote:
> On 30.09.20 16:39, James Bottomley wrote:
> > On Wed, 2020-09-30 at 13:27 +0300, Mike Rapoport wrote:
> > > On Tue, Sep 29, 2020 at 05:15:52PM +0200, Peter Zijlstra wrote:
> > > > On Tue, Sep 29, 2020 at 0
On Wed, 2020-09-30 at 13:27 +0300, Mike Rapoport wrote:
> On Tue, Sep 29, 2020 at 05:15:52PM +0200, Peter Zijlstra wrote:
> > On Tue, Sep 29, 2020 at 05:58:13PM +0300, Mike Rapoport wrote:
> > > On Tue, Sep 29, 2020 at 04:12:16PM +0200, Peter Zijlstra wrote:
> > > > It will drop them down to 4k
On Mon, 2020-07-20 at 20:08 +0200, Arnd Bergmann wrote:
> On Mon, Jul 20, 2020 at 5:52 PM James Bottomley
> wrote:
> > On Mon, 2020-07-20 at 13:30 +0200, Arnd Bergmann wrote:
> >
> > I'll assume you mean the dmabuf userspace API? Because the kernel
> > API is compl
On Mon, 2020-07-20 at 13:30 +0200, Arnd Bergmann wrote:
> On Mon, Jul 20, 2020 at 11:25 AM Mike Rapoport
> wrote:
> >
> > From: Mike Rapoport
> >
> > Introduce "secretmemfd" system call with the ability to create
> > memory areas visible only in the context of the owning process and
> > not
Deleting file 'fs/dax.o'
Fix by renaming dax's PMD_ORDER to DAX_PMD_ORDER
Signed-off-by: James Bottomley
---
fs/dax.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/fs/dax.c b/fs/dax.c
index 5b47834f2e1b..4d3b0db5c321 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -50,7 +50,7
On Thu, 2021-01-28 at 14:01 +0100, Michal Hocko wrote:
> On Thu 28-01-21 11:22:59, Mike Rapoport wrote:
[...]
> > I like the idea to have a pool as an optimization rather than a
> > hard requirement but I don't see why would it need a careful access
> > control. As the direct map fragmentation is
On Fri, 2021-01-29 at 09:23 +0100, Michal Hocko wrote:
> On Thu 28-01-21 13:05:02, James Bottomley wrote:
> > Obviously the API choice could be revisited
> > but do you have anything to add over the previous discussion, or is
> > this just to get your access control?
>
On Tue, 2021-02-02 at 20:15 +0200, Mike Rapoport wrote:
> On Tue, Feb 02, 2021 at 03:34:29PM +0100, David Hildenbrand wrote:
> > On 02.02.21 15:32, Michal Hocko wrote:
> > > On Tue 02-02-21 15:26:20, David Hildenbrand wrote:
> > > > On 02.02.21 15:22, Michal Hocko wrote:
> > > > > On Tue 02-02-21
3 +
> mm/mlock.c| 3 +-
> mm/mmap.c | 5 +-
> mm/secretmem.c| 254 +++
> mm/vmalloc.c | 5 +-
> scripts/checksyscalls.sh | 4 +
> tools/testing/selftests/vm/.gitignore | 1 +
> tools/testing/selftests/vm/Makefile | 3 +-
> tools/testing/selftests/vm/memfd_secret.c | 296
> ++
> tools/testing/selftests/vm/run_vmtests.sh | 17 ++
> 38 files changed, 744 insertions(+), 46 deletions(-)
> create mode 100644 arch/arm64/include/asm/set_memory.h
> create mode 100644 include/linux/secretmem.h
> create mode 100644 mm/secretmem.c
> create mode 100644 tools/testing/selftests/vm/memfd_secret.c
>
>
> base-commit: 6efb943b8616ec53a5e444193dccf1af9ad627b5
For the series:
Acked-by: James Bottomley
James
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On Tue, 2021-05-18 at 11:24 +0100, Mark Rutland wrote:
> On Thu, May 13, 2021 at 09:47:32PM +0300, Mike Rapoport wrote:
> > From: Mike Rapoport
> >
> > It is unsafe to allow saving of secretmem areas to the hibernation
> > snapshot as they would be visible after the resume and this
> >
On Tue, 2021-05-18 at 18:49 -0700, Dan Williams wrote:
> On Tue, May 18, 2021 at 6:33 PM James Bottomley
> wrote:
> > On Tue, 2021-05-18 at 11:24 +0100, Mark Rutland wrote:
> > > On Thu, May 13, 2021 at 09:47:32PM +0300, Mike Rapoport wrote:
> &
On Wed, 2021-05-05 at 12:08 -0700, Andrew Morton wrote:
> On Wed, 3 Mar 2021 18:22:00 +0200 Mike Rapoport
> wrote:
>
> > This is an implementation of "secret" mappings backed by a file
> > descriptor.
> >
> > The file descriptor backing secret memory mappings is created using
> > a dedicated
On Thu, 2021-05-06 at 18:45 +0200, David Hildenbrand wrote:
> On 06.05.21 17:26, James Bottomley wrote:
> > On Wed, 2021-05-05 at 12:08 -0700, Andrew Morton wrote:
> > > On Wed, 3 Mar 2021 18:22:00 +0200 Mike Rapoport > > >
> > > wrote:
> > >
On Thu, 2021-05-06 at 10:33 -0700, Kees Cook wrote:
> On Thu, May 06, 2021 at 08:26:41AM -0700, James Bottomley wrote:
[...]
> >1. Memory safety for user space code. Once the secret memory is
> > allocated, the user can't accidentally pass it into
On Thu, 2021-01-28 at 14:01 +0100, Michal Hocko wrote:
> On Thu 28-01-21 11:22:59, Mike Rapoport wrote:
[...]
> > One of the major pushbacks on the first RFC [1] of the concept was
> > about the direct map fragmentation. I tried really hard to find
> > data that shows what is the performance
On Mon, 2021-02-15 at 20:20 +0100, Michal Hocko wrote:
[...]
> > > What kind of flags are we talking about and why would that be a
> > > problem with memfd_create interface? Could you be more specific
> > > please?
> >
> > You mean what were the ioctl flags in the patch series linked
> > above?
On Tue, 2021-02-16 at 17:34 +0100, David Hildenbrand wrote:
> On 16.02.21 17:25, James Bottomley wrote:
> > On Mon, 2021-02-15 at 20:20 +0100, Michal Hocko wrote:
> > [...]
> > > > >What kind of flags are we talking about and why would that
> > > >
On Mon, 2021-02-15 at 10:13 +0100, Michal Hocko wrote:
> On Sun 14-02-21 11:21:02, James Bottomley wrote:
> > On Sun, 2021-02-14 at 10:58 +0100, David Hildenbrand wrote:
> > [...]
> > > > And here we come to the question "what are the differences that
&
On Tue, 2021-02-16 at 18:16 +0100, David Hildenbrand wrote:
[...]
> > > The discussion regarding migratability only really popped up
> > > because this is a user-visible thing and not being able to
> > > migrate can be a real problem (fragmentation, ZONE_MOVABLE, ...).
> >
> > I think the
On Sun, 2021-02-14 at 10:58 +0100, David Hildenbrand wrote:
[...]
> > And here we come to the question "what are the differences that
> > justify a new system call?" and the answer to this is very
> > subjective. And as such we can continue bikeshedding forever.
>
> I think this fits into the
On Mon, 2021-02-22 at 11:17 -0800, Dan Williams wrote:
> On Mon, Feb 22, 2021 at 2:24 AM Mike Rapoport
> wrote:
> > On Mon, Feb 22, 2021 at 07:34:52AM +, Matthew Garrett wrote:
> > > On Mon, Feb 08, 2021 at 10:49:18AM +0200, Mike Rapoport wrote:
> > >
> > > > It is unsafe to allow saving of
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